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SubTerra, Inc. Sage Creek Mine 11/18/2009 <br />Initial Evaluation of Subsidence Impacts for Continuous Miner Development <br />• ATTACHMENT A <br />Section 2.05.6 (6) Subsidence Survey, Subsidence Monitoring, and Subsidence Control <br />Plan. <br />(a) For underground mining activities the application shall include an inventory of all structures and <br />renewable resource lands which exist within the proposed permit and adjacent area. <br />(i) If no such structures or renewable resource lands exist, no further information need be <br />provided in the application under this Section. <br />(ii) If such structures or renewable resource lands exist, the application shall include: <br />(A) A brief description of all structures and renewable resource lands which exist <br />within the proposed permit and adjacent area; and <br />(B) An appropriate map, prepared according to Section 2.10, showing the location <br />and configuration of structures and renewable resource lands within the permit and <br />adjacent area. <br />(b) If structures and renewable resource lands are determined to exist within the proposed permit <br />and adjacent area, the application shall include a description of the worst possible consequences <br />which subsidence, if it occurred, could have for such structures and renewable resource lands. <br />(i) The application shall include a determination of whether subsidence, if it occurred, could <br />cause material damage or diminution of reasonably foreseeable use of such structures and <br />renewable resource lands. This description of worst possible subsidence consequences <br />shall include: <br />• (A) A brief description of pre- and post mining land uses of the permit and adjacent <br />area, as described pursuant to Sections 2.04.3 and 2.05.5; <br />(B) A brief description of subsidence related phenomena predicted to occur within <br />the permit and adjacent area; and <br />(C) A brief description of material subsidence damage or diminution of reasonably <br />foreseeable use of structures and renewable resource lands which could result from <br />the occurrence of the subsidence related phenomena described in accordance with <br />Section 2.05.6(6)(b)(i)(B), including consideration of the definitions and <br />considerations contained in Sections 2.05.6(6)(e)(ii)(A),(B), and (C). <br />(ii) If the description of worst possible subsidence consequences, prepared in accordance <br />with Section 2.05.6(6)(b)(i), determines that no material damage or diminution of <br />reasonably foreseeable use could result in the event of mine subsidence within the permit <br />and adjacent areas, and if the Division concurs with that conclusion, the application shall <br />include a monitoring program designed to determine the accuracy of that conclusion, as <br />described in Section 2.05.6(6)(c). <br />(iii) If the description of worst possible subsidence consequences, prepared in accordance <br />with Section 2.05.6(6)(b)(i), determines that material damage or diminution of reasonably <br />foreseeable use could result in the event of mine subsidence within the permit and adjacent <br />areas, the application shall include additional information as required by either one of the <br />following: <br />(A) A subsidence survey, as described in Section 2.05.6(6)(e); or <br />(B) A subsidence control plan, as described in Section 2.05.6(6)(f). <br />• <br />7 <br />